diff options
Diffstat (limited to 'src/doc/tutorial.md')
| -rw-r--r-- | src/doc/tutorial.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/doc/tutorial.md b/src/doc/tutorial.md index 9b9153fe579..b7122944ced 100644 --- a/src/doc/tutorial.md +++ b/src/doc/tutorial.md @@ -2385,7 +2385,7 @@ fn print_all<T: Printable>(printable_things: ~[T]) { Declaring `T` as conforming to the `Printable` trait (as we earlier did with `Clone`) makes it possible to call methods from that trait on values of type `T` inside the function. It will also cause a -compile-time error when anyone tries to call `print_all` on an array +compile-time error when anyone tries to call `print_all` on a vector whose element type does not have a `Printable` implementation. Type parameters can have multiple bounds by separating them with `+`, @@ -2428,9 +2428,9 @@ fn draw_all<T: Drawable>(shapes: ~[T]) { # draw_all(~[c]); ~~~~ -You can call that on an array of circles, or an array of rectangles +You can call that on a vector of circles, or a vector of rectangles (assuming those have suitable `Drawable` traits defined), but not on -an array containing both circles and rectangles. When such behavior is +a vector containing both circles and rectangles. When such behavior is needed, a trait name can alternately be used as a type, called an _object_. |